# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        Young  
# Name:         question1
# Description:
# Author:       asus
# Date:         2019/1/17
#-------------------------------------------------------------------------------


x = 1
while x<3:
    if x == 1:
        num = input("请输入一个整数")
        if str(num) == "end":
            break;
        else:
            if (num % 2) == 0:

                print("偶数")
            else:
                print("奇数")
        continue